diff options
Diffstat (limited to 'Utilities/cmcurl/lib/vtls/schannel.c')
| -rw-r--r-- | Utilities/cmcurl/lib/vtls/schannel.c | 205 |
1 files changed, 200 insertions, 5 deletions
diff --git a/Utilities/cmcurl/lib/vtls/schannel.c b/Utilities/cmcurl/lib/vtls/schannel.c index 2cfd5c1..8f6c301 100644 --- a/Utilities/cmcurl/lib/vtls/schannel.c +++ b/Utilities/cmcurl/lib/vtls/schannel.c @@ -90,11 +90,17 @@ #endif #endif +#if defined(CryptStringToBinary) && defined(CRYPT_STRING_HEX) +#define HAS_CLIENT_CERT_PATH +#endif + +#ifdef HAS_CLIENT_CERT_PATH #ifdef UNICODE #define CURL_CERT_STORE_PROV_SYSTEM CERT_STORE_PROV_SYSTEM_W #else #define CURL_CERT_STORE_PROV_SYSTEM CERT_STORE_PROV_SYSTEM_A #endif +#endif #ifndef SP_PROT_SSL2_CLIENT #define SP_PROT_SSL2_CLIENT 0x00000008 @@ -199,6 +205,155 @@ set_ssl_version_min_max(SCHANNEL_CRED *schannel_cred, struct connectdata *conn) return CURLE_OK; } +/*longest is 26, buffer is slightly bigger*/ +#define LONGEST_ALG_ID 32 +#define CIPHEROPTION(X) \ +if(strcmp(#X, tmp) == 0) \ + return X + +static int +get_alg_id_by_name(char *name) +{ + char tmp[LONGEST_ALG_ID] = { 0 }; + char *nameEnd = strchr(name, ':'); + size_t n = nameEnd ? min((size_t)(nameEnd - name), LONGEST_ALG_ID - 1) : \ + min(strlen(name), LONGEST_ALG_ID - 1); + strncpy(tmp, name, n); + tmp[n] = 0; + CIPHEROPTION(CALG_MD2); + CIPHEROPTION(CALG_MD4); + CIPHEROPTION(CALG_MD5); + CIPHEROPTION(CALG_SHA); + CIPHEROPTION(CALG_SHA1); + CIPHEROPTION(CALG_MAC); + CIPHEROPTION(CALG_RSA_SIGN); + CIPHEROPTION(CALG_DSS_SIGN); +/*ifdefs for the options that are defined conditionally in wincrypt.h*/ +#ifdef CALG_NO_SIGN + CIPHEROPTION(CALG_NO_SIGN); +#endif + CIPHEROPTION(CALG_RSA_KEYX); + CIPHEROPTION(CALG_DES); +#ifdef CALG_3DES_112 + CIPHEROPTION(CALG_3DES_112); +#endif + CIPHEROPTION(CALG_3DES); + CIPHEROPTION(CALG_DESX); + CIPHEROPTION(CALG_RC2); + CIPHEROPTION(CALG_RC4); + CIPHEROPTION(CALG_SEAL); +#ifdef CALG_DH_SF + CIPHEROPTION(CALG_DH_SF); +#endif + CIPHEROPTION(CALG_DH_EPHEM); +#ifdef CALG_AGREEDKEY_ANY + CIPHEROPTION(CALG_AGREEDKEY_ANY); +#endif +#ifdef CALG_HUGHES_MD5 + CIPHEROPTION(CALG_HUGHES_MD5); +#endif + CIPHEROPTION(CALG_SKIPJACK); +#ifdef CALG_TEK + CIPHEROPTION(CALG_TEK); +#endif + CIPHEROPTION(CALG_CYLINK_MEK); + CIPHEROPTION(CALG_SSL3_SHAMD5); +#ifdef CALG_SSL3_MASTER + CIPHEROPTION(CALG_SSL3_MASTER); +#endif +#ifdef CALG_SCHANNEL_MASTER_HASH + CIPHEROPTION(CALG_SCHANNEL_MASTER_HASH); +#endif +#ifdef CALG_SCHANNEL_MAC_KEY + CIPHEROPTION(CALG_SCHANNEL_MAC_KEY); +#endif +#ifdef CALG_SCHANNEL_ENC_KEY + CIPHEROPTION(CALG_SCHANNEL_ENC_KEY); +#endif +#ifdef CALG_PCT1_MASTER + CIPHEROPTION(CALG_PCT1_MASTER); +#endif +#ifdef CALG_SSL2_MASTER + CIPHEROPTION(CALG_SSL2_MASTER); +#endif +#ifdef CALG_TLS1_MASTER + CIPHEROPTION(CALG_TLS1_MASTER); +#endif +#ifdef CALG_RC5 + CIPHEROPTION(CALG_RC5); +#endif +#ifdef CALG_HMAC + CIPHEROPTION(CALG_HMAC); +#endif +#if !defined(__W32API_MAJOR_VERSION) || \ + !defined(__W32API_MINOR_VERSION) || \ + defined(__MINGW64_VERSION_MAJOR) || \ + (__W32API_MAJOR_VERSION > 5) || \ + ((__W32API_MAJOR_VERSION == 5) && (__W32API_MINOR_VERSION > 0)) + /* CALG_TLS1PRF has a syntax error in MinGW's w32api up to version 5.0, + see https://osdn.net/projects/mingw/ticket/38391 */ + CIPHEROPTION(CALG_TLS1PRF); +#endif +#ifdef CALG_HASH_REPLACE_OWF + CIPHEROPTION(CALG_HASH_REPLACE_OWF); +#endif +#ifdef CALG_AES_128 + CIPHEROPTION(CALG_AES_128); +#endif +#ifdef CALG_AES_192 + CIPHEROPTION(CALG_AES_192); +#endif +#ifdef CALG_AES_256 + CIPHEROPTION(CALG_AES_256); +#endif +#ifdef CALG_AES + CIPHEROPTION(CALG_AES); +#endif +#ifdef CALG_SHA_256 + CIPHEROPTION(CALG_SHA_256); +#endif +#ifdef CALG_SHA_384 + CIPHEROPTION(CALG_SHA_384); +#endif +#ifdef CALG_SHA_512 + CIPHEROPTION(CALG_SHA_512); +#endif +#ifdef CALG_ECDH + CIPHEROPTION(CALG_ECDH); +#endif +#ifdef CALG_ECMQV + CIPHEROPTION(CALG_ECMQV); +#endif +#ifdef CALG_ECDSA + CIPHEROPTION(CALG_ECDSA); +#endif + return 0; +} + +static CURLcode +set_ssl_ciphers(SCHANNEL_CRED *schannel_cred, char *ciphers) +{ + char *startCur = ciphers; + int algCount = 0; + static ALG_ID algIds[45]; /*There are 45 listed in the MS headers*/ + while(startCur && (0 != *startCur) && (algCount < 45)) { + long alg = strtol(startCur, 0, 0); + if(!alg) + alg = get_alg_id_by_name(startCur); + if(alg) + algIds[algCount++] = alg; + else + return CURLE_SSL_CIPHER; + startCur = strchr(startCur, ':'); + if(startCur) + startCur++; + } + schannel_cred->palgSupportedAlgs = algIds; + schannel_cred->cSupportedAlgs = algCount; + return CURLE_OK; +} + +#ifdef HAS_CLIENT_CERT_PATH static CURLcode get_cert_location(TCHAR *path, DWORD *store_name, TCHAR **store_path, TCHAR **thumbprint) @@ -248,6 +403,7 @@ get_cert_location(TCHAR *path, DWORD *store_name, TCHAR **store_path, return CURLE_OK; } +#endif static CURLcode schannel_connect_step1(struct connectdata *conn, int sockindex) @@ -299,10 +455,15 @@ schannel_connect_step1(struct connectdata *conn, int sockindex) #endif #ifdef _WIN32_WCE +#ifdef HAS_MANUAL_VERIFY_API /* certificate validation on CE doesn't seem to work right; we'll * do it following a more manual process. */ BACKEND->use_manual_cred_validation = true; #else +#error "compiler too old to support requisite manual cert verify for Win CE" +#endif +#else +#ifdef HAS_MANUAL_VERIFY_API if(SSL_CONN_CONFIG(CAfile)) { if(Curl_verify_windows_version(6, 1, PLATFORM_WINNT, VERSION_GREATER_THAN_EQUAL)) { @@ -316,6 +477,12 @@ schannel_connect_step1(struct connectdata *conn, int sockindex) } else BACKEND->use_manual_cred_validation = false; +#else + if(SSL_CONN_CONFIG(CAfile)) { + failf(data, "schannel: CA cert support not built in"); + return CURLE_NOT_BUILT_IN; + } +#endif #endif BACKEND->cred = NULL; @@ -341,9 +508,11 @@ schannel_connect_step1(struct connectdata *conn, int sockindex) schannel_cred.dwVersion = SCHANNEL_CRED_VERSION; if(conn->ssl_config.verifypeer) { +#ifdef HAS_MANUAL_VERIFY_API if(BACKEND->use_manual_cred_validation) schannel_cred.dwFlags = SCH_CRED_MANUAL_CRED_VALIDATION; else +#endif schannel_cred.dwFlags = SCH_CRED_AUTO_CRED_VALIDATION; /* TODO s/data->set.ssl.no_revoke/SSL_SET_OPTION(no_revoke)/g */ @@ -401,6 +570,16 @@ schannel_connect_step1(struct connectdata *conn, int sockindex) return CURLE_SSL_CONNECT_ERROR; } + if(SSL_CONN_CONFIG(cipher_list)) { + result = set_ssl_ciphers(&schannel_cred, SSL_CONN_CONFIG(cipher_list)); + if(CURLE_OK != result) { + failf(data, "Unable to set ciphers to passed via SSL_CONN_CONFIG"); + return result; + } + } + + +#ifdef HAS_CLIENT_CERT_PATH /* client certificate */ if(data->set.ssl.cert) { DWORD cert_store_name; @@ -417,14 +596,21 @@ schannel_connect_step1(struct connectdata *conn, int sockindex) result = get_cert_location(cert_path, &cert_store_name, &cert_store_path, &cert_thumbprint_str); if(result != CURLE_OK) { + failf(data, "schannel: Failed to get certificate location for %s", + cert_path); Curl_unicodefree(cert_path); return result; } - cert_store = CertOpenStore(CURL_CERT_STORE_PROV_SYSTEM, 0, - (HCRYPTPROV)NULL, - cert_store_name, cert_store_path); + cert_store = + CertOpenStore(CURL_CERT_STORE_PROV_SYSTEM, 0, + (HCRYPTPROV)NULL, + CERT_STORE_OPEN_EXISTING_FLAG | cert_store_name, + cert_store_path); if(!cert_store) { + failf(data, "schannel: Failed to open cert store %x %s, " + "last error is %x", + cert_store_name, cert_store_path, GetLastError()); Curl_unicodefree(cert_path); return CURLE_SSL_CONNECT_ERROR; } @@ -453,6 +639,12 @@ schannel_connect_step1(struct connectdata *conn, int sockindex) CertCloseStore(cert_store, 0); } +#else + if(data->set.ssl.cert) { + failf(data, "schannel: client cert support not built in"); + return CURLE_NOT_BUILT_IN; + } +#endif /* allocate memory for the re-usable credential handle */ BACKEND->cred = (struct curl_schannel_cred *) @@ -877,9 +1069,11 @@ schannel_connect_step2(struct connectdata *conn, int sockindex) } } +#ifdef HAS_MANUAL_VERIFY_API if(conn->ssl_config.verifypeer && BACKEND->use_manual_cred_validation) { return verify_certificate(conn, sockindex); } +#endif return CURLE_OK; } @@ -1819,7 +2013,7 @@ static CURLcode pkp_pin_peer_pubkey(struct connectdata *conn, int sockindex, x509_der = (const char *)pCertContextServer->pbCertEncoded; x509_der_len = pCertContextServer->cbCertEncoded; - memset(&x509_parsed, 0, sizeof x509_parsed); + memset(&x509_parsed, 0, sizeof(x509_parsed)); if(Curl_parseX509(&x509_parsed, x509_der, x509_der + x509_der_len)) break; @@ -1870,7 +2064,8 @@ static void Curl_schannel_checksum(const unsigned char *input, if(!CryptCreateHash(hProv, algId, 0, 0, &hHash)) break; /* failed */ - if(!CryptHashData(hHash, (const BYTE*)input, (DWORD)inputlen, 0)) + /* workaround for original MinGW, should be (const BYTE*) */ + if(!CryptHashData(hHash, (BYTE*)input, (DWORD)inputlen, 0)) break; /* failed */ /* get hash size */ |